Can I Eat Expired Buttermilk?
Safe to eat up to 5 days after expiry
Expert Source
"According to FDA guidelines, buttermilk should be refrigerated at 40°F or below and used within 2 weeks of opening for optimal quality and safety."
✅Fresh Buttermilk

⚠️Spoiled Buttermilk

Storage Guidelines
Storage Location
Fridge
Ideal Temperature
4°C (40°F)
Best Storage Method
Keep in a tightly sealed bottle
Shelf Life
Average Shelf Life
14 days
Signs of Spoilage
Mold, off smell, extreme sourness
Additional Information
Alternative Uses
Use in baking or marinades
Possible Substitutions
Yogurt, milk with lemon juice
Frequently Asked Questions
What's the difference between expiration and best quality dates for Buttermilk?
1. Expiration date on buttermilk packaging indicates when the product may no longer be safe to consume. Best quality date suggests when the buttermilk may start to lose its peak quality. 2. Signs of quality degradation in buttermilk include changes in texture, separation, or off-flavors. Spoilage signs are foul odor, mold growth, or unusual color. 3. Buttermilk typically maintains peak quality for 1-2 weeks past the best quality date if stored properly in the refrigerator. 4. Buttermilk becomes unsafe to consume after the expiration date, especially if there are signs of spoilage. It's important to discard it if there are any doubts about its safety.
How can I tell if Buttermilk has gone bad?
To check if buttermilk has gone bad, look for any signs of mold, discoloration, or curdling. Give it a sniff for any sour or off odors. Finally, check the texture - if it appears lumpy or slimy, it's best to discard it.
What are the food safety risks with Buttermilk?
1. Common foodborne illnesses associated with Buttermilk include Salmonella, E. coli, and Listeria. 2. High-risk groups such as pregnant women, young children, elderly individuals, and those with weakened immune systems should be extra cautious when consuming Buttermilk. 3. Critical safety warnings include refrigerating Buttermilk promptly, avoiding cross-contamination with raw meat or poultry, and consuming it before the expiration date. 4. Safe handling practices for Buttermilk include storing it in the refrigerator at 40°F or below, using clean utensils when serving, and not leaving it at room temperature for more than 2 hours.
What are some pro tips for storing Buttermilk?
1. Best storage practices: Store buttermilk in its original container or an airtight container in the refrigerator. 2. Creative storage solutions: Portion buttermilk into ice cube trays and freeze. Once frozen, transfer the cubes to a freezer-safe bag. 3. Tips to extend shelf life: Use buttermilk within its expiration date. Shake well before using if it separates. 4. Common storage mistakes to avoid: Storing buttermilk at room temperature, leaving it unsealed, or storing it near foods with strong odors.
Any interesting facts about Buttermilk?
1. Historical background: Buttermilk has been consumed for centuries and was originally the liquid left behind after churning butter. It was a way to make use of the remaining liquid and has been a staple in many cultures around the world. 2. Cultural significance: Buttermilk is widely used in Southern cuisine in the United States, especially in dishes like biscuits, fried chicken, and cornbread. In India, buttermilk known as "chaas" or "lassi" is a popular summer drink that aids in digestion and is often flavored with spices like cumin or mint. 3. Interesting trivia: Buttermilk is fermented which gives it a tangy flavor and helps improve its digestibility. It is low in fat and rich in probiotics, making it a healthy dairy option. 4. Traditional uses: Besides being used in cooking and baking, buttermilk has also been used for its beneficial effects on the skin. It is believed to help exfoliate and brighten the skin due to its lactic acid content.
Expiration Calculator
Sources
For more information on food safety and expiration guidelines, visit our Sources page.
Recipes Available
We have recipes that can help you safely use buttermilk past its expiration date!
View Recipes →Related Foods
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Reviewed By: Food Safety & Expiration Experts
At Can I Eat Expired, we are committed to providing accurate, science-backed information about food expiration and storage safety. Our content is carefully reviewed based on guidelines from leading food safety organizations, including:
- ✅U.S. Food & Drug Administration (FDA) – Food Safety Guidelines
- ✅United States Department of Agriculture (USDA) – Food Storage & Expiration Dates
- ✅World Health Organization (WHO) – Foodborne Diseases & Safety
- ✅Centers for Disease Control & Prevention (CDC) – Preventing Foodborne Illness
🔍 How We Ensure Accuracy
- We use official food safety sources to guide our recommendations.
- Our team continuously reviews and updates content based on the latest research.
- We encourage users to always check for signs of spoilage and follow proper storage guidelines.
📚 Have Questions?
If you have specific concerns about food expiration or safety, we recommend consulting a registered dietitian, food scientist, or your local health department.
Note: These are general guidelines. Always use your best judgment and when in doubt, throw it out.